{"id":123597,"date":"2025-04-18T15:05:07","date_gmt":"2025-04-18T13:05:07","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimost-v-ssh-servere-iz-erlang-otp-dopuskayushhaya-udalyonnoe-vypolnenie-koda"},"modified":"2025-04-18T15:05:07","modified_gmt":"2025-04-18T13:05:07","slug":"uyazvimost-v-ssh-servere-iz-erlang-otp-dopuskayushhaya-udalyonnoe-vypolnenie-koda","status":"publish","type":"post","link":"https:\/\/prohoster.info\/nl\/blog\/news\/uyazvimost-v-ssh-servere-iz-erlang-otp-dopuskayushhaya-udalyonnoe-vypolnenie-koda","title":{"rendered":"Kwetsbaarheid in de SSH-server van Erlang\/OTP, die op afstand code-executie mogelijk maakt","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>In de SSH-bibliotheek die deel uitmaakt van de Erlang\/OTP-toolkit is een kwetsbaarheid (CVE-2025-32433) ontdekt die een aanvaller in staat stelt om zonder authenticatie code op een SSH-server uit te voeren die is gebouwd met behulp van de kwetsbare bibliotheek. Het probleem heeft een kritieke risicograad (10 van 10) gekregen.         <\/p>\n<p>Een van de beveiligingsonderzoekers heeft al een werkende exploit voorbereid voor het uitvoeren van code op kwetsbare SSH-servers. Opmerkelijk is dat volgens de onderzoeker de code is gemaakt met behulp van AI-assistenten GPT-4, Cursor en Sonnet op basis van de analyse van de wijzigingen met de patch voor de kwetsbaarheid, inclusief een test om te controleren of het probleem is opgelost.     <\/p>\n<p>De bibliotheek van het Erlang\/OTP-project biedt kant-en-klare implementaties voor de client en <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/nl\/server\/dts-los-angeles\/\"   title=\"de server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3962\">de server<\/a> SSH en SFTP die het SSH 2.0-protocol ondersteunen. Probleemgevallen van SSH-servers zijn te herkennen aan de headeroutput 'SSH-2.0-Erlang\/version'. SSH-servers gebaseerd op Erlang\/OTP worden gebruikt in gespecialiseerde systemen, bijvoorbeeld op IoT-apparaten en devices voor edge-computing, en ook als een hulpmiddel voor debugging \u2014 Erlang maakt het eenvoudig om een SSH-server in te schakelen voor externe debugging van applicaties (ervan uitgaande dat deze debugging-functie mogelijk in veel projecten geschreven in Erlang is ingeschakeld). Het probleem manifesteert zich ook in de Elixir-tooling (gebouwd bovenop Erlang) en in het op basis daarvan gebouwde Phoenix-framework, maar de SSH-server in Phoenix accepteert standaard geen verzoeken van externe netwerken.      <\/p>\n<p>De kwetsbaarheid wordt veroorzaakt door een fout in de parsingcode van berichten, waardoor SSH_MSG_CHANNEL_REQUEST-berichten die de uitvoering van het 'exec'-commando toestaan, worden verwerkt voordat authenticatie plaatsvindt. Voorbeeldcode uit de exploit:          command = 'file:write_file(\"\/lab.txt\", &lt;&gt;).'      return (          b'x62'  # SSH_MSG_CHANNEL_REQUEST          + struct.pack('&gt;I', channel_id)          + string_payload('exec')          + b'x01'  # want_reply = true          + string_payload(command)      )          <\/p>\n<p>De kwetsbaarheid is verholpen in de releases Erlang\/OTP-27.3.3, 26.2.5.11 en 25.3.2.20. Voor het volgen van de kwetsbaarheid in distributies kunt u de volgende pagina's raadplegen: Debian, Ubuntu, Fedora, SUSE\/openSUSE, RHEL, Arch, FreeBSD.<br \/>\n<br \/>Bron: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=63099\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435 ssh, \u0432\u0445\u043e\u0434\u044f\u0449\u0435\u0439 \u0432 \u0441\u043e\u0441\u0442\u0430\u0432 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f Erlang\/OTP, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2025-32433), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e \u0431\u0435\u0437 \u043f\u0440\u043e\u0445\u043e\u0436\u0434\u0435\u043d\u0438\u044f \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u0441\u0432\u043e\u0439 \u043a\u043e\u0434 \u043d\u0430 SSH-\u0441\u0435\u0440\u0432\u0435\u0440\u0435, \u0441\u043e\u0437\u0434\u0430\u043d\u043d\u043e\u043c \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0439 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u0440\u0438\u0441\u0432\u043e\u0435\u043d \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (10 \u0438\u0437 10). \u041e\u0434\u0438\u043d \u0438\u0437 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0443\u0436\u0435 \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u0438\u043b \u0440\u0430\u0431\u043e\u0447\u0438\u0439 \u044d\u043a\u0441\u043f\u043b\u043e\u0438\u0442 \u0434\u043b\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043a\u043e\u0434\u0430 \u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u044b\u0445 SSH-\u0441\u0435\u0440\u0432\u0435\u0440\u0430\u0445. \u041f\u0440\u0438\u043c\u0435\u0447\u0430\u0442\u0435\u043b\u044c\u043d\u043e, \u0447\u0442\u043e \u043f\u043e \u0441\u043b\u043e\u0432\u0430\u043c \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044f \u043a\u043e\u0434 \u0431\u044b\u043b [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-123597","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435 ssh, \u0432\u0445\u043e\u0434\u044f\u0449\u0435\u0439 \u0432 \u0441\u043e\u0441\u0442\u0430\u0432 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f Erlang\/OTP, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2025-32433), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f 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externe code-uitvoering toestaat | ProHoster","description":"In de SSH-bibliotheek die deel uitmaakt van de Erlang\/OTP-toolkit is een kwetsbaarheid (CVE-2025-32433) ontdekt die een aanvaller in staat stelt om zonder authenticatie code uit te voeren op een SSH-server die is gebouwd met behulp van.","canonical_url":"https:\/\/prohoster.info\/nl\/blog\/news\/uyazvimost-v-ssh-servere-iz-erlang-otp-dopuskayushhaya-udalyonnoe-vypolnenie-koda","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"nl_NL","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS 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